8945778 has 8 divisors (see below), whose sum is σ = 17891568. Its totient is φ = 2981924.

The previous prime is 8945771. The next prime is 8945779. The reversal of 8945778 is 8775498.

It is a sphenic number, since it is the product of 3 distinct primes.

8945778 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (8945771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 745476 + ... + 745487.

It is an arithmetic number, because the mean of its divisors is an integer number (2236446).

Almost surely, 2^8945778 is an apocalyptic number.

8945778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8945778 is a wasteful number, since it uses less digits than its factorization.

8945778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490968.

The product of its digits is 564480, while the sum is 48.

The square root of 8945778 is about 2990.9493476152. The cubic root of 8945778 is about 207.5898135416.

The spelling of 8945778 in words is "eight million, nine hundred forty-five thousand, seven hundred seventy-eight".